12401220029 has 16 divisors (see below), whose sum is σ = 14474103360. Its totient is φ = 10505376000.

The previous prime is 12401220011. The next prime is 12401220031. The reversal of 12401220029 is 92002210421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12401220029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401219986 and 12401220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401220059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473612 + ... + 499109.

It is an arithmetic number, because the mean of its divisors is an integer number (904631460).

Almost surely, 2^12401220029 is an apocalyptic number.

12401220029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12401220029 is a deficient number, since it is larger than the sum of its proper divisors (2072883331).

12401220029 is a wasteful number, since it uses less digits than its factorization.

12401220029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972812.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 12401220029 in words is "twelve billion, four hundred one million, two hundred twenty thousand, twenty-nine".